Bright Horizons Publishing recorded annual revenue of Rs. 8,00,000 in its base year. In the following year, revenue increased by 25% over the base year. In the year after that, revenue decreased by 20% from the previous year's figure. In the third year, revenue increased again, this time by 10% over the second year's figure.

Separately, the town where the company is headquartered had a population of 40,000 in the same base year. Over the next two years, the population grew by 10% in the first year and then by a further 20% in the second year, each increase calculated on the previous year's figure.

The company's finance team is also reviewing the price of a raw material used in printing, which was originally priced at Rs. 500 per unit. This price first increased by 30%, and then decreased by 30% from the increased price, before the team finalises next year's printing budget based on all three sets of figures.